Part 23.


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Section 23 Manageable Urban areas Center Contextual analysis: The Ecocity Idea in Curitiba, Brazil 70% of Curitiba's 2 million individuals utilize the transport framework. Just skyscraper flats are permitted close transport courses and dedicate the last 2 stories to stores. Bicycle ways gone through the city.
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Part 23 Sustainable Cities

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Core Case Study: The Ecocity Concept in Curitiba, Brazil 70% of Curitiba’s 2 million individuals utilize the transport framework. Just skyscraper flats are permitted close transport courses and dedicate the last 2 stories to stores. Bicycle ways gone through the city. Autos are banned from 49 pieces of the city’s downtown.

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Core Case Study: The Ecocity Concept in Curitiba, Brazil This transport framework moves expansive quantities of travelers taking into account its base: Express paths for transports just. Twofold and triple length transports. Additional wide entryways for simple boarding. Figure 23-1

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City focus Route Express Interdistrict Direct Feeder Workers Fig. 23-1, p. 548

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Green Cities: Vancouver, BC

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Green Architecture: Oberlin College

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URBANIZATION AND URBAN GROWTH People move to urban areas in light of the fact that “push” components constrain them out of rustic territories and “pull” elements give them the trust of discovering employments and a superior life in the city. Urban populaces are becoming quickly and numerous urban areas in creating nations have gotten to be focuses of destitution.

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Major Urban Areas of the World Satellite pictures of the earth around evening time demonstrating city lights. As of now, 49% of the world’s populace live in urban ranges (2% of earth’s area territory). Figure 23-2

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Recent Population Projections

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Case Study: Urbanization in the U.S. Around 48% of Americans live in solidified metropolitan territories (base guide). 8 of 10 Americans live in Urban territories. Figure 23-4

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Urban Sprawl When area is accessible and moderate, urban zones tend to sprawl outward in light of the fact that: Federal government advance sureties animated the improvement of rural areas. Minimal effort gas and government subsidizing of expressways empowers vehicles utilization. Charge laws support home proprietorship. Most zoning laws separate private and business utilization of area. Numerous urban territories need fitting arranging.

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Urban Sprawl Urban sprawl in and around Las Vegas, Nevada somewhere around 1973 and 2000. Figure 23-5

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Animation: SF Bay Region Growth PLAY ANIMATION

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Urban Sprawl As they develop and sprawl outward, urban ranges converge to shape megalopolis. Bowash keeps running from Boston, Massachusetts to Washington, D.C. Figure 23-7

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2007 Landmark in Urbanization

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Natural Capital Degradation Urban Sprawl Land and Biodiversity Human Health and Esthetics Water Energy, Air, and Climate Economic Effects Increased spillover Loss of cropland Contaminated drinking water and air Increased surface water & groundwater contamination Increased vitality use & waste Higher charges Loss of backwoods and meadows Increased air contamination Decline of downtown business areas Increased utilization of surface water and groundwater Loss of wetlands Weight addition Increased nursery gas discharges Loss and discontinuity of untamed life living spaces Noise contamination Decreased stockpiling of surface water and groundwater Increased unemployment in focal city Enhanced a worldwide temperature alteration Sky enlightenment during the evening Increased untamed life roadkill Increased flooding Warmer microclimate (urban warmth island impact) Increased soil disintegration Traffic clog Decreased characteristic sewage treatment Loss of duty base in focal city Fig. 23-6, p. 553

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URBAN RESOURCE AND ENVIRONMENTAL PROBLEMS Urban ranges can offer more openings for work and better training and concentrating so as to well, and can help ensure biodiversity individuals.

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URBAN RESOURCE AND ENVIRONMENTAL PROBLEMS Cities are infrequently self-maintaining, can undermine biodiversity, need trees, concentrate contaminations and clamor, spread irresistible maladies, and are focuses of neediness wrongdoing, and terrorism. Figure 23-3

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URBAN RESOURCE AND ENVIRONMENTAL PROBLEMS Urban ranges once in a while are supportable frameworks. Figure 23-8

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Inputs Outputs Energy Solid squanders Noise Food Waste warmth Water Wealth Raw materials Air toxins Manufactured products Ideas Water contaminations Money Manufactured merchandise Information Greenhouse gasses Fig. 23-8, p. 554

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URBAN RESOURCE AND ENVIRONMENTAL PROBLEMS Noise levels of some basic sounds. Delayed introduction to lower clamor levels and periodic boisterous sounds can enormously build inner anxiety. Figure 23-9

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Urban Heat Islands

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Dust Domes

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URBAN RESOURCE AND ENVIRONMENTAL PROBLEMS Extreme neediness powers a huge number of individuals to live in ghettos and shantytowns where sufficient water supplies, sewage transfer, and different administrations don\'t exist. Figure 23-10

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Urban LDC Poverty Squatter Settlement: The substandard, low quality lodging in this area of the city of Port au Prince, Haiti

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How Would You Vote? Should squatters around urban areas of creating nations be offered title to land they live on? a. No. Nobody has the privilege to take and contaminate open or private grounds. b. Yes. The poor need homes.

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Chicago’s Navy Pier

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TRANSPORTATION AND URBAN DEVELOPMENT Land accessibility figures out if a city must become vertically or spread out evenly and whether it depends basically on mass travel or the vehicles. In the event that Americans multiplied their utilization of mass travel from 5% to 10%, this would decrease U.S. reliance on oil by 40%.

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TRANSPORTATION AND URBAN DEVELOPMENT Motor vehicles give individual advantages and advance monetary development, additionally murder and harm numerous individuals, dirty the air, advance urban sprawl, and result in roads turned parking lots. In spite of the fact that it would not be politically mainstream, we could diminish dependence on cars by having clients pay for their destructive impacts.

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Solutions: Redesigning Urban Transport Alternatives incorporate strolling, bicycling, and taking trams, prepares, and transports.

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How Would You Vote? Should a large portion of the U.S. gas assessment be utilized to create mass travel, bicycle paths, and different distinct options for the auto? a. No. Cash expected to repair streets and scaffolds ought not be spent on bicycle ways and different undertakings that few individuals would utilize. b. Yes. Urging distinct options for individual vehicles will diminish contamination and spare vitality.

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Trade-Offs Bicycles Advantages Disadvantages Little insurance in a mischance Affordable Produce no contamination Do not shield riders from terrible climate Quiet Require small parking spot Not pragmatic for treks longer than 8 kilometers (5 miles) Easy to move in activity Take couple of assets to make Can be tiring (with the exception of electric bikes) Very vitality proficient Lack of secure bicycle stopping Provide exercise Fig. 23-11, p. 560

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Trade-Offs Mass Transit Rail Advantages Disadvantages More vitality proficient than autos Expensive to assemble and keep up Produces less air contamination than autos Cost-viable just along a thickly populated limited hall Requires less land than streets and stopping zones for autos Commits riders to transportation calendars Causes less wounds and passings than autos Can bring about clamor and vibration for adjacent occupants Reduces auto blockage in urban communities Fig. 23-12, p. 560

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Trade-Offs Busses Advantages Disadvantages More adaptable than rail framework Can lose cash on the grounds that they need low passages to pull in riders Can be rerouted as required Often get got in activity unless working in express paths Cost less to create and keep up than overwhelming rail framework Commits riders to transportation timetables Can incredibly lessen auto utilization and contamination Noisy Fig. 23-13, p. 561

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Trade-Offs Rapid Rail Advantages Disadvantages Can lessen go via auto or plane Expensive to run and keep up Ideal for treks of 200–1,000 kilometers (120–620 miles) Must work along intensely utilized courses to be beneficial Much more vitality productive per rider over the same separation than an auto or plane Causes clamor and vibration for close-by inhabitants Fig. 23-14, p. 561

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Solutions: Redesigning Urban Transport Potential courses for fast projectile trains in the U.S and parts of Canada. Figure 23-15

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Case Study: Destroying a Great Mass Transit System in the U.S. In the mid 1900s, the U.S. had one of the world’s best road auto frameworks. It was purchased and pulverized by organizations to offer autos and transports. In the meantime, National City Lines attempted to change over electric-fueled suburbanite trains to diesel-controlled ones.

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URBAN LAND-USE PLANNING AND CONTROL Most land-utilization arranging in the U.S prompts inadequately controlled urban sprawl and store this regularly naturally ruinous procedure with property charges. Brilliant development can help control development examples demoralize urban sprawl, decrease auto reliance, and ensure naturally delicate regions.

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Solutions Smart Growth Tools Limits and Regulations Limit building licenses Urban development limits Greenbelts around urban areas Public audit of new advancement Protection Preserve existing open space Buy new open space Buy improvement rights that disallow certain sorts of advancement ashore bundles Taxes Tax land, not structures Tax arrive on estimation of genuine utilization, (for example, woodland and farming) rather than most noteworthy quality as created area Zoning Encourage blended utilization Concentrate advancement along mass transportation courses Promote high-thickness group lodging advancements Tax Breaks For proprietors concurring lawfully to not permit certain sorts of advancement (preservation easements) For tidying up and creating surrendered urban locales (brownfields) Planning Ecological area utilization arranging Environmental effect examination Integrated territorial arranging State and national arranging Revitalization & New Growth Revitalize existing towns & urban areas Build very much arranged new towns and towns inside of urban communities Fig. 23-16, p. 563

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Case Study: Land-Use Planning in Oregon has a far reaching area utilization arranging procedu

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